Where and how will population pressure and climate change affect the availability of freshwater for human needs and diverse ecological communities?

Regional patterns of population pressure and human demands for freshwater will likely interact with the effects of climate change to alter the distribution and availability of freswater across the face of the globe. Humans and freshwater/estuarine ecosystems will both suffer. We need to be able to predict the effects of climate change on freshwater resources in order to understand how humans and ecosystems will be threatened by lack of adequate freshwater, and by loss of the ecological goods and sevices provided by rivers and estuaries (e.g,. fish, fibres, flood mitigation).

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